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The camshaft turns at what speed in relation to the crankshaft?

What speed does the camshaft turn at in relation to the

Camshafts & Crankshafts How They Connect & Work CJ

During the four-stroke combustion cycle (intake, compression, power and exhaust) the crankshaft turns twice — moving each piston up and down twice — while the camshaft turns once. This results in each valve opening one time for every two crankshaft revolutions in relation to the piston The camshaft rotates at half the speed of the crankshaft. Therefore every two revolutions of the crankshaft create one revolution of the camshaft and one opening and closing of each valve in the four-cylinder engine 360° (1 full rotation) How fast does the camshaft turn in relation to the crankshaft, and how is this accomplished? Turns half as fast as crankshaft, caused by the cam speed down. In what type of engines are companion cylinders found

Since a camshaft turns at half the crankshaft speed a 230 degree cam is open for 115 crankshaft degrees. A full rotation is 360 degrees. Since the cam turns at half speed you could in theory have a 360 degree camshaft since the valve would be open for half the crankshafts revolution (180 degrees) The crankshaft position sensor then measures the rotation speed and precise position of the engine's pistons and crankshaft. This works as the gas and air in the ignition chambers combust and the piston force causes the crank to turn

The camshaft gear has twice as many teeth as the crankshaft gear, which allows it to rotate at half the speed of the crankshaft. The camshaft has four distinct strokes: intake, compression, power, and exhaust. Common camshafts are made to match typical operating characteristics and may accentuate highway cruising efficiency or low-end power Because one turn of the camshaft completes the valve operation for an entire cycle of the engine and the four-stroke-cycle engine makes two crankshaft revolutions to complete one cycle, the camshaft turns half as fast as the crankshaft Faulty crankshaft and camshaft position sensors can cause a variety of customer complaints. Some of these issues can prevent the engine from starting, cause the engine to stall, turn the MIL on, and even cause improper shifts. And these are only a few of the possibilities. This article is the first in a series about [ The Relation between crankshaft and camshaft Camshaft is driven by the crankshaft by using timing gear (meshing gears). Camshaft gear has twice teeth than crankshaft teeth The camshaft sensor monitors the frequency at which the camshaft is turning. The camshaft is a rod with specifically placed protuberances that stick out from the rod. These are called cams. When the camshaft turns, the individual cams push against specific valves and cause them to open. When the cam rotates away from the valve, the valve closes

P0340 - How To Service a Scion XB Camshaft Position Sensor

The camshaft is driven, universally, a exactly half the speed of the crankshaft either directly, usually via a toothed rubber timing belt or a steel roller chain (called a timing chain). Gears have also occasionally been used to drive the camshaft Explanation: The crankshaft of a four-stroke engine rotates through two complete revolutions or 720 degrees in each cycle. The cycle is divided in four equal strokes, meaning the crankshaft rotates through 180 degrees for each stroke. A camshaft rotates through 90 degrees in each stroke Each stroke lasts one half crankshaft revolution or 180 crankshaft degrees. Since the camshaft turns at half of the speed of the crank, the power stroke only sees one fourth of a turn of the cam, or 90 camshaft degrees. As we move closer to the bottom of the cylinder, a little before the piston reaches the bottom, the exhaust valve begins to. The camshaft is sequenced to rotate at half the speed of the crankshaft, and all camshafts must be properly timed or severe engine damage could occur. Installing camshafts is advanced engine work, but you can learn to approach the job as safely as possible for your make and model, and some general tips on getting the job done correctly If the crank dot is at 12 and the cam gear at 12, the engine is at split overlap on cylinder number one and firing on cylinder number 6. You will notice the valves on cylinder number one slightly open. The cam turns 1/2 speed in relation to the crankshaft

Whether using our offset cam bushing or cam keys, the thing to remember is that with chain driven camshafts, move -the cam itself clockwise in relation to its sprocket to advance the cam and counterclockwise to retard the cam (Fig. 18). With gear-driven camshafts that revolve in the opposite direction of the crankshaft, move the cam itself. The check engine light illuminates for many reasons, including when the camshaft position sensor fails. In a lot of cases, the only symptom you will have from a bad camshaft position sensor is a check engine light on your dashboard.If the check engine light on your car lights up, it is recommended that you visit a car specialist and have your car scanned to check the trouble codes

For example, a 4-cylinder engine can start within 180 degrees of crankshaft rotation (90 degrees of camshaft rotation). In these applications, a CMP sensor may be referred to as a Cylinder Identification (CID) sensor or phase sensor and the pulse wheel may be referred to as a phase wheel The camshaft is driven around by a toothed gear, which receives drive through the timing belt or chain, from the crankshaft. The four-stroke cycle requires two rotations of the crankshaft for a complete cycle, and so the camshaft is driven at half the speed of the crankshaft

Nothing is more frustrating than diagnosing an intermittent cranking, no-start complaint with no diagnostic trouble codes (DTCs) and no apparent failure pattern. Much of the time, the cranking, no-start complaint lies with a failing crankshaft or camshaft position sensor. Many of these failures can be heat-related and might require several warm-up cycles to duplicate Hello, I have a 2011 chevy malibu ls, 2.4 at wits end. had engine code, said camshaft positioning sensor/s bad Bank A, I pulled out the front sensor cleaned it replaced it, no good still get error, bought 2 sensors changed front and back sensors. new code crankshaft positioning sensor error, banks A and B. changed out crankshaft sensor, 10.

While the crankshaft is responsible for the movement of the pistons in your engine, the camshaft is responsible for your valves opening and closing. When everything works in the proper order, then the combustion reaction forces the piston down, the crankshaft moves it back up in time for the camshaft to open the valve is the cylinder so that. In both the distributorless and COP ignition systems, the CKP is mounted at the crankshaft and the CMP at the camshaft. This configuration allows the CMP to monitor camshaft position and the CKP to monitor crankshaft speed, piston position, and the amount of crankshaft deflection or speed variation created during a cylinder misfire event An engine's CKP and CMP sensors provide the Engine Control Module (ECM) with critical engine speed, position, and timing reference data. For the engine to function properly, the engine must be timed correctly and the sensors and related apparatus must be fixed in the correct position relative to the crankshaft and camshaft(s)

Camshafts And Crankshafts Explained The Simple Wa

  1. The camshaft drive is designed to makntain proper camshaft speed relative to crankshaft speed. In maintaining this relationship, the camshsft drive causes the camshaft to rotate at _____. A. One half crankshaft speed in a two stroke cycke diesel engine B. Crankshaft speed in a two stroke cycle diesel engine C. Two times crankshaft speed in a 2.
  2. e the TDC of each cylinder. In essence, the engine control module (ECM) on a four-cylinder engine might, for example, measure cranking speed while switching the fuel injection ti
  3. On a 4 stroke internal combustion engine the camshaft turns exactly half the speed of the crankshaft. A 4 stroke engine requires 2 rotations to complete the entire cycle of intake (a down stroke), compression (up stroke), power stroke (down), and exhaust (up)
  4. Since the camshaft turns at half of the speed of the crank, the power stroke only sees one fourth of a turn of the cam, or 90 camshaft degrees. As we move closer to the bottom of the cylinder, a little before the piston reaches the bottom, the exhaust valve begins to open
  5. e where the cams are in relation to the crankshaft. Once it has registered the cam position it forgets about the cam sensor until the next start up as the cams are rotating at half crankshaft speed and the ECM can count. So failure to start with no running problems could be the cam.
  6. As long as the ears on the camshaft are horizontal, they'll stay in place relatively well. When using a two-arm puller on the pulleys to break them free of the cam, it's easy to accidentally turn the cam and pulley. You'll know it if you do turn it a few degree because it will then quickly snap over ~45 deg
  7. g is usually expressed in crankshaft degrees relative to piston location in the cylinder, corresponding to TDC and BDC

A crankshaft is responsible to transmit motion to a camshaft, which in turn controls the opening and closing of the inlet and exhaust valves of an engine. A crankshaft mechanism typically consists of crank and crankpins attached to connecting rods. A crankshaft rotates at a high speed therefore, centrifugal force acts on it Turn the crankshaft until the markings on the crankshaft and camshaft pulley correspond. Turn the crankshaft a further 1/4 turn clockwise and then back again until the markings correspond. The markings are illustrated. Remove the upper timing cover. Slacken off the center screw for the belt tensioner slightly. Turn the tensioner clockwise to 10. The cam is connected by a 2-1 ratio sprocket or gears, so it only turns once to the crank's two turns (Two crank degrees equal one cam degree). When viewed from the front of the car, the crankshaft turns clockwise. The camshaft also turns clockwise if connected via sprockets and chain Camshaft Duration is the measurement of the time one valve begins to open until it finishes closing. Duration is measured in degrees of crankshaft rotation, not camshaft rotation. You'll see duration specifications at .050 inches. Cam manufacturers agreed on a standard to measure duration so all cams are measured the same way Gear or chain systems can also be used to connect the crankshaft to the camshaft at the correct timing. However gears and shafts constrain the relative location of the crankshaft and camshafts. Chain gear was originally used and 1962, the timing belt was for the first time built in an automobile, Glas 1004

Camshaft vs Crankshaft - Basic Differenc

  1. Turn the ignition off. Using a lab scope and the Miller special tool #6801, backprobe the (K441) CMP 1/2 Signal circuit in the Camshaft 1/2 Position Sensor harness connector. Turn the ignition on. Wiggle the related wire harness and lightly tap on the Camshaft 1/2 Position Sensor while monitoring the lab scope screen
  2. Both the camshaft and the crankshaft are equipped with CMP and CKP position sensors, which send information to the ECU about their position, rotational speed and relation to each other. The ECU uses this data to figure out which cylinder should fire next and sends commands to the fuel and ignition systems
  3. Maximum valve lift is calculated by multiplying lobe height at its highest from the base circle of the lobe, times rocker arm ratio. The rocker arm ratio multiplies (increases) the effective lift of the camshaft lobes. For example, a 0.310 lobe lift cam yields 0.496 of valve lift when using a 1.6 ratio rocker arm
  4. The camshaft turns at half the speed of the crankshaft and opens the valves in the top of the combustion chamber above the pistons; its carefully ground, egg-shaped cam lobes are positioned on the camshaft so that they open the valves as the shaft is driven, and it is critical that each valve opens and closes exactly when it is supposed to
  5. g cover, are moved, removed, replaced, or disturbed in any way
  6. g Pin is opposite the Camshaft Position Sensor head
  7. g control solenoid valve depending on driving status

Optimizing a camshaft lobe grinding cycle has traditionally been based less on science and more on educated guesswork and numerous test grinds. Now, computer thermal modeling software can predict areas where lobe burning is likely to occur, in order to determine the fastest possible work speed that won't thermally damage lobes and greatly reduce the number of requisite test grinds Camshaft position and camshaft speed are compared to the speed and position of the crankshaft in order to prevent engine damage and calculate ignition timing and fuel delivery strategy. Since the camshaft/s turn at half the speed of the crankshaft, it is critical that the PCM is able to distinguish between engine intake and exhaust stokes. The cam rings used may have four or five lobes on both the intake and the exhaust tracks. The timing of the valve events is determined by the spacing of these lobes and the speed and direction at which the cam rings are driven in relation to the speed and direction of the crankshaft. The method of driving the cam varies on different makes of. For example, the camshaft turns at exactly one-half crankshaft speed, so the camshaft gear is twice the diameter—and has twice as many teeth—as the crankshaft gear that drives it. Magnetos in four-cylinder engines turn at crankshaft speed, but magnetos in six-cylinder engines turn at one and a half times crankshaft speed

Camshaft Position Sensor problem of the 2000 Jeep Grand Cherokee 2. Engine stalls without warning while driving at any speed. All gauges including speed, rpm's, temp, fuel, etc. All stay for a few seconds after stalling and then all drop off. The Jeep gc used to start up after a few seconds and was once in a while at first with this issue The WFL M60 demonstrates it's capabilities by machining a complete crankshaft in one operation. Contact www.martechcnc.co The crankshaft is used to convert power from a piston to rotational energy. The camshaft is a control device. In older engines, a camshaft was used to control when the spark occurred in the combustion chamber. In diesel engines, a camshaft can be used to pump fuel into the cylinders The average price of replacing a camshaft position sensor and the typical camshaft repair cost comes to between $120 and $300 on average. Parts alone will usually cost the owner between $50 and $200 total, while the labor cost will vary depending on the hourly rate, but can be between $70 and $100 total for the professional replacement from a mechanic

the camshaft has twice as many teeth,or notches,as the one on the crankshaft.This results in two crankshaft rev-olutions for each revolution of the camshaft.The camshaft turns at one-half the crankshaft speed in all four-stroke-cycle engines. CAMSHAFT FUNCTION The camshaft's major function is to operate the valv What's important is if the test light turns back on during engine rotation, (cranking or running). The Engine Computer will do that if it receives signal pulses from the crankshaft position sensor and the camshaft position sensor. Your very last sentence suggests you already are aware of what most people don't understand right away

Camshaft vs Crankshaft: What Is the Difference? The

  1. Since the crankshaft turns at twice the speed of the camshaft/s, it is critical that the PCM is able to distinguish between engine intake and exhaust stokes. Crankshaft position and speed are compared to the speed and position of the camshaft/s in order to prevent engine damage
  2. Thereof, can a car run without a crankshaft position sensor? The crankshaft position sensor is the most important of all engine management sensors, and the engine will absolutely not run without it. Many systems are smart enough to try guessing should this sensor fail and allow the engine to run without it. In your case, a magnetic crankshaft positioning sensor is used
  3. The crankshaft speed and position are some of the most important parameters used in engine management calculations, and many engines cannot run if the crankshaft position sensor is not providing an accurate signal. Problems with the crankshaft position sensor can be linked to several issues. 2 common causes include: Overheating Engine
  4. Camshaft Crankshaft Position Sensors called cams. When the camshaft turns, the individual cams push against specific valves and cause them to open. When the cam rotates away from the valve, the valve closes. Differences Between a Camshaft Sensor & Page 25/4
  5. utes when slowing car down to make a turn. Meineke and paul miller Nissan of fairfield, CT identified that parts 23731-al61a (crankshaft/camshaft sensor) and 23731-6j90b (camshaft posaition sensor) need to be replaced. These sensors were part a recall for the same make, year and model of car that I own
  6. The camshafts rotate at half crankshaft speed, so it is important that the PCM can distinguish between engine intake and exhaust kicks (RPM). The CKP sensor and each camshaft position (CMP) sensor have at least one circuit to provide the PCM with an input signal, a 5V reference, and ground. CKP sensors are usually electromagnetic, with Hall.

Camshaft: Definition, Parts and Function with [Diagram & PDF

The groves on the camshafts must be aligned where the cam locking goes. Once the camshafts, cam sprockets and crankshaft are aligned, they must be locked to prevent any shifting of the alignment. It takes experience and skill to diagnose camshaft problems. Because camshaft issues can result in major engine damage, early detection is very important SOURCE: camshaft postioning sensor On 1995 and later models the CKP is located at the rear of the engine near the transaxle bell housing. Posted on Sep 30, 200 Hello, thanks for writing in. Most of the time, this code comes up when there is a difference between the crank and cam sensors. The most common failure is the crankshaft position sensor.These fail much more frequently than the cam sensor and will cause a no start. It can also occur if the timing belt broke or jumped a tooth The camshaft is driven by the crankshaft. The camshaft gear has twice as many teeth as the gear on the crankshaft. Camshaft made from forged alloy steel. This gives 1:2 gear ratio, the camshaft turns at half the speed of the crankshaft. Working. Thus there is correct opening and closing of the valves takes in relation to the position of the. 5. 6. Last. If your vehicle won't start and is frequently stalling, it may be time to check the crankshaft sensor. Issues with the crank sensor or its connector will often activate your Check Engine light as well. At O'Reilly Auto Parts, we offer the crankshaft sensor harness and connectors for many vehicles

Nissan VG30/33 camshaft information. Understanding cam specs and their affects will help you select the best cam for your specific engine. The four important camshaft specs to understand are duration, centerline, separation and lift. DURATION. Duration refers to how long a valve is opened in relation to crankshaft rotation Posted: Wed Apr 25, 2018 3:39 pm Post subject: Re: Tractor Police: What turns faster crankshaft or can sha: The cam runs at half the speed of the crank. This is so the cam lobes only activate their respective valves on every other revolution of the crank Time: The crankshaft has to turn twice to get one revolution of the camshaft. This means that 720 degrees of crank rotation equal 360 degrees camshaft rotation. You will need at least three revolutions of the crankshaft to compare the relationship to the camshaft(s). Adjust your time scale to capture at least three turns of the crankshaft on a. speed at which a cam ring rotates varies. To determine a given cam ring's rotation speed, you must know the number of lobes on the cam ring, the cam ring's direction of rotation relative to the crankshaft, and the number of cylinders on the engine. The direction of cam ring rotation varies on different engines and depends on whether the cam ring has internal or external drive teeth The camshaft is connected via the timing chain and sprockets at a 1:2 ratio to the crankshaft and therefore revolves once for every two turns of the crank. Its purpose is to operate the intake and exhaust valves in the correct timing with the piston as it sequences thru the four strokes. EARLY SLOW SPEED ENGINE

Basic Engines and repair Flashcards Quizle

In both the distributorless and COP ignition systems, the CKP is mounted at the crankshaft and the CMP at the camshaft. This configuration allows the CMP to monitor camshaft position and the CKP to monitor crankshaft speed, piston position, and the amount of crankshaft deflection or speed variation created during a cylinder misfire event. Photo 1 For the engine to run at peak performance, the valves must open and close at the correct time in relation to the piston's position and the crankshaft's speed. The intake centerline is the point of. The reason this relationship is important is because it is one of the few things that is relatively easy to adjust/change. The camshaft that opens and closes the valves makes ONE complete revolution (360 deg) while the crankshaft moving the pistons up and down the cylinder rotates TWICE (720 deg)

While it's never a bad idea to degree the camshaft(s) in any engine build, it's usually not imperative to degree the camshaft(s) on SOHC (single over-head camshaft) engines. With SOHC engines, the relationship between the intake and exhaust events is fixed; as both intake and exhaust lobe are ground at a fixed lobe-separation angle on the. With the engine speed between 480 and 6816 rpm and no Camshaft Position (CMP) Sensor or Crankshaft Position (CKP) Sensor DTCs detected. • Set Condition: The difference between the Bank 1 Exhaust Camshaft position and the Crankshaft position is more than 10.0 degrees. One Trip Fault. Three good trips to turn off the MIL. Possible Cause

In a crankshaft position sensor, a toothed wheel, spinning with the crankshaft, disrupts the magnetic field. That produces a pattern of on and off switches in the Hall Sensor that the ECU can interpret as the crankshaft speed. The faster the sensor is turning on and off, the faster the crankshaft is spinning If you align the crankshaft pulley groove to the '0' mark, the timing dots don't line up. Right? If you get the timing dots aligned in a row, the crankshaft pulley groove seems to be at a *minus* 5 (in relation to the scale / marks on the timing cover). Right? Has this engine (or at least the head) been rebuilt before

How does a camshaft affect Compression Ratio? Hot Rod Foru

  1. The cam (red) is rotated by a camshaft (gray) powered by a belt linked to the crankshaft (not shown). As it turns, the cam pushes a rod called a tappet (blue) back and forth. The tappet moves a rocker arm (green) which allows a poppet valve (orange) to move in and out against the pressure of a spring (purple)
  2. P0016-CRANKSHAFT/CAMSHAFT TIMING MISALIGNMENT C2 C2 C1 C2 C2 10 1 10 1 1 3 3 1 1 3 38 29 38 29 81456016 2 2 3 3 1 1 3 1 With the engine speed between 480 and 6816 RPM and no CMP or CKP sensor DTCs detected. Turn the ignition on. 4. Wiggle the related wire harness and lightly tap on the Crankshaft Position Sensor while monitoring the lab.
  3. Following that logic the number of cuts required to get a specific duration would be the following. The cam spins half the speed as the crankshaft so the duration of the lobe must be half of the crankshaft. Number of cuts = (((720 - Desired Duration) / Degree of cut) / 2) +1 So for a cam of 260° of duration and cut every 5
  4. The smaller camshaft idler gear is located behind the bull gear on the same carrier, and turns at the same speed as the bull gear. The camshaft idler gear drives an adjustable idler gear, mounted on a separate hub in the gear case. The adjustable idler gear drives the camshaft drive gear. The gear ratio of each gear in relationship to the.
  5. ology explained. Duration is the time measured in crankshaft degrees that the valve stays off its seat during the lifting cycle of the cam lobe. Advertised duration is the time in crankshaft degrees that the lifter is raised more than a predeter
  6. g which, in turn, affects the efficiency of fuel delivery and the sparking mechanisms. The camshaft position sensor is typically referred to as a CMP; the crankshaft position sensor is typically referred to as a CKP. The diagnostic.

on Nov 15, 2019. A crankshaft is a fundamental feature in a vehicle's engine. It is the system that converts linear energy into rotational energy. This enables the wheels to drive the car forward. All the pistons in the engine are attached to the crank which is also connected to the flywheel. The crank works in association with other engine. When it comes to performance parts, understanding cam specs and their affects will help you select the best cam for your specific engine. The four important camshaft specs to understand are duration, centerline, separation and lift. DURATION Duration refers to how long a valve is opened in relation to crankshaft rotation A crankshaft is a shaft driven by a crank mechanism, consisting of a series of cranks and crankpins to which the connecting rods of an engine is attached. It is a mechanical part able to perform a conversion between reciprocating motion and rotational motion.In a reciprocating engine, it translates reciprocating motion of the piston into rotational motion, whereas in a reciprocating compressor.

Crankshaft-Camshaft Position Sensors: What Do They Do

  1. Because one turn of the camshaft completes the valve operation for an entire cycle of the engine and cam The motion of the camshaft in an automobile engine, for example, is a simple rotation that bears a fixed ratio to the crankshaft speed, whereas the valve motion produced by the cams is accurately timed relative to the crankshaft rotation.
  2. The cam (or cams) is driven by a chain or belt arrangement off the crankshaft. To remain in time with the four cycles, cams spin at half the speed of the crank. Maintaining this relationship is.
  3. The crankshaft has four reference positions, one for each camshaft flank. The camshaft turns at half the speed of the crankshaft. This means that two reference positions are detected for each turn of the crankshaft. Therefore two engine revolutions are required to detect all flanks on the camshaft
  4. g mark on the camshaft is at the 12:00 position. to mark the valley of the camshaft sprocket that is straight up at the 12:00 position when the engine is at TDC so the relation between the crankshaft and camshaft ti
  5. If the camshaft position sensor or circuit is faulty, most engines will start. However, the PCM misfire diagnostic will likely be affected. On the 1991-94 2.9L and 3.0L engine, the distributor stator is the Camshaft Position (CMP) sensor, and it is a Hall effect magnetic switch. On the 1995+ 3.0L engine, the CMP is mounted on the oil pump.
  6. es the position of the two shafts using information from a crankshaft position sensor and camshaft position sensor(s). If from the sensor data, the PCM deter

What Does a Camshaft Do? How It Affects the Engin

That can be due to a problem with the starter or the starter adjustment in relation to the flywheel. The crankshaft position sensor tells the engine control module the engine speed and position, once the engine determines cylinder identification using both the crankshaft position sensor and the camshaft position sensor The four important camshaft specs to understand are duration, centerline, separation and lift. Duration refers to how long a valve is opened in relation to crankshaft rotation. This open valve time period is expressed in degrees of crankshaft rotation. So, a cam specification of 220 degrees duration simply means the cam holds the valve open for. Next, if properly timed, the exhaust valve closes. Thanks to the duration of this valve overlap, when the engine runs at an efficient speed the air has a head start to fill the cylinder. Inertia filling does so well at a given engine speed that the cam hangs the intake valve open past the crankshaft's bottom dead center (BDC) position Mean Piston Speed (fpm)= (Stroke x 2 x RPM)/12. There's a simpler formula, but more on the math later. A piston's velocity constantly changes as it moves from top dead center (TDC) to bottom dead center (BDC) and back to TDC during one revolution of the crankshaft. At TDC and BDC, the speed is 0 fpm, and at some point during both the.

Gasoline engine - Camshaft Britannic

When a crankshaft or distributor advance ignition signal appears, the exact cylinder is detected by recognizing the mechanical positions of the crankshaft, camshaft, valves or the distributor shaft. FUNCTIONS. 1. Sensing. If you look at the crankshaft, you will find a powerful magnet next to it The camshaft can be connected to, and driven by, the crankshaft in one of several ways. The method that's used depends on the engine design and on the camshaft placement. The first method that you'll learn about is called a direct drive system.In this method, a gear is attached to the end of the crankshaft. This gear, in turn, drives a gear that's placed on the end of the camshaft.

crankshaft sensor resistance: 400-550 ohms camshaft sensor is the same resistance the wires on the ECU side are: 2Y and 2Z wires on ECU for camshaft sensor are: 2V and 2U DTC P0335 CKP sensor circuit problem DETECTION CONDITIO The crankshaft position sensor monitors crank position and RPM. It then transmits that information to the ECU. This information is used to set ignition and fuel injector timing. The ECU also receives data from the camshaft position sensor. This allows the ECU to sync the crank and camshaft in an engine equipped with variable valve timing (VVT) The camshaft position sensor, as a magnetic sensor, in your Nissan is designed to read information about the camshaft and engine. The location of the camshaft position sensor is on the camshaft housing. Specifically, the function of the camshaft position sensor is to adjust properly and maintain the correct timing of a fuel-injected engine